/**
 * Copyright © 2008, EMC Corporation.
 * Redistribution and use in source and binary forms, with or without modification, 
 * are permitted provided that the following conditions are met:
 *
 *     + Redistributions of source code must retain the above copyright notice, 
 *       this list of conditions and the following disclaimer.
 *     + Redistributions in binary form must reproduce the above copyright 
 *       notice, this list of conditions and the following disclaimer in the 
 *       documentation and/or other materials provided with the distribution.
 *     + The name of EMC Corporation may not be used to endorse or promote 
 *       products derived from this software without specific prior written 
 *       permission.
 *
 *      THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
 *      "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 
 *      TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *      PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 
 *      BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
 *      CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 *      SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
 *      INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *      CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
 *      ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
 *      POSSIBILITY OF SUCH DAMAGE.
 */
package com.emc.esu.api {
	import flash.utils.Dictionary;
	
	/**
     * Contains a list of metadata items
     */
	public class MetadataList {
	    private var meta:Dictionary = new Dictionary();
	
	    /**
	     * Adds a metadata item to the list
	     * @param m metadata to add
	     */
	    public function addMetadata( m:Metadata ):void {
	        meta[m.getName()] = m;
	    }
	    
	    /**
	     * Removes a metadata item from the list
	     * @param m metadata to remove
	     */
	    public function removeMetadata( m:Metadata ):void {
	        delete meta[m.getName()];
	    }
	    
	    /**
	     * Returns the metadata item with the specified name
	     * @param name name to search for
	     * @return the metadata with the given name or null if the list does not
	     * contain metadata with the requested name.
	     */
	    public function getMetadata( name:String ):Metadata {
	        return meta[ name ];
	    }
	    
	    /**
	     * Returns the items in the metadata list.
	     * @return the list's items.
	     */
	    public function items():Dictionary {
	        return meta;
	    }

	}
}